121.126.0.0/16
🇰🇷IPv4APNICallocatedNo ROA
CIDR
121.126.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇰🇷 South Korea
City
Gwangmyeong (Digital-ro)
RIR
APNIC
Status
allocated
Allocated
7/6/2006
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.126.0.0/17 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.128.0/17 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.140.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.143.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.144.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.211.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.142.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.100.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/13/2026 |
| 121.126.228.0/24 | AS10195HAIONNET-AS-KR-KR - HAIonNet | No ROA | — | 6/13/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4766 | RADB | MAINT-AS4766 | 11/13/2023 |
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CityGwangmyeong (Digital-ro)
Coordinates37.4839, 126.8940 ↗
API
Open https://api.ipctl.io/v1/prefix/121.126.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.126.0.0/16" | jq
External Links